RAX: ffffffffffffffda RBX: 00007fec9c818c90 RCX: 0000000000457ec9 RDX: 0000000020000000 RSI: 000000004010aeab RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec9c8196d4 R13: 00000000004c0c01 R14: 00000000004d2668 R15: 0000000000000006 ================================================ WARNING: lock held when returning to user space! 4.20.0-next-20190107 #6 Not tainted ------------------------------------------------ syz-executor4/9308 is leaving the kernel with locks still held! 1 lock held by syz-executor4/9308: #0: 000000005383ca31 (crtc_ww_class_acquire){+.+.}, at: set_property_atomic+0xb4/0x330 drivers/gpu/drm/drm_mode_object.c:462